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Avian Influenza Detected at Año Nuevo State Park

A small number of young northern elephant seals at Año Nuevo State Park recently tested positive for H5N1, also known as bird flu. This is the first detection of H5N1 in California’s marine mammal population.

The risk of H5N1 to the public remains very low. We’re sharing guidance on how to protect yourself, your pets and marine mammals – and how you can help.

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Elephant seal
two striped dolphins leaping in the Mediterranean Sea

Historical Isolates of Dolphin Morbillivirus: Origin and New Data

  • Infectious disease
  • Pathology

Abstract

Dolphin morbillivirus (DMV) was isolated in striped dolphins Stenella coeruleoalba from the Mediterranean Sea stranded along the coast of Spain during a lethal epidemic that killed thousands of individuals in 1990-1992. Though some of these isolates (MUC, 16A and the reference strain) have been extensively characterised, details on their origin were not reported in the literature, and records for these isolates are often difficult to trace and are, sometimes, erroneous. Here, we provide unpublished biological and histopathological data for these isolates, summarize the literature on their characterization and make suggestions for future studies.


Van Bressem, M.F., Raga, J.A., Domingo, M. and Duignan, P., 2023. Historical isolates of dolphin morbillivirus: origin and new data. Diseases of Aquatic Organisms, 155, pp.159-163.

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